Mathematics – Logic
Scientific paper
Aug 1984
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984stin...8513087w&link_type=abstract
Final Report, Oct. 1982 - Sep. 1983 American Meteorological Society, Boston, MA.
Mathematics
Logic
Air Pollution, Atmospheric Diffusion, Cities, Mathematical Models, Plumes, Pollution Transport, Concentration (Composition), Planetary Boundary Layer, Predictions
Scientific paper
The American Meteorological Society conducted a scientific review of a set of six urban diffusion models. Three independent model reviews conducted to evaluate the models are presented. General conclusions include: (1) all of the six models are very similar to each other and represent simple approximations of the urban diffusion situations in a given time period with no horizontal variability of the boundary layer structure or depth; (2) none of the models can be considered state-of-the-art since a great deal has been learned about the planetary boundary layer that could be incorporated into such models; (3) the models all use an all or nothing approach to plume penetration; either the plume penetrates the elevated inversion and is lost to the computation or it is completely trapped; and (4) the four annual models all produced good estimates of the observed concentrations, while, of the short-term models, TEM-8A seriously overpredicted at night and RAM seriously underpredicts during the day.
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